Here is the full list of all 47 NieR:Automata achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
All endings achieved.
All Pods upgraded to the highest level.
All Pod programs obtained.
All weapons upgraded to the highest level.
50 machine lifeforms destroyed with berserk mode.
80% of all archives found.
Emil destroyed.
80% of all quests completed.
The place of memories has been visited.
All Pods found.
80% of all unit data unlocked.
50 machine lifeforms destroyed by remote control.
20 different kinds of fish caught.
Achieve 9S's ending.
View the final credits.
1 hour played with 9S in a certain state.
Have 100 bodies collected.
2B's secret discovered 10 times.
Any animal ridden for 5 kilometers.
Achieve A2's ending.
Watch the final moments of Devola and Popola.
Stop all resource recovery units.
Grant Pascal's final request.
Any weapon upgraded to the highest level.
Control A2 for the first time.
Watch 2B die.
Achieve ending B.
At least 100,000 G in possession.
100 machine lifeforms destroyed by hacking.
80% of all plug-in chips collected.
Materials gathered at a hidden harvest point 10 times.
Play your first hacking game.
Achieve ending A.
Complete the abandoned factory.
Complete the copied city.
Emil's shop used for the first time.
Complete the flooded city.
255 enemies destroyed using a flight unit.
Complete the forest castle.
Complete the alien ship.
Complete the amusement park ruins.
10 friendly machine lifeforms destroyed.
Complete the desert area.
Have your body collected.
Complete your first quest.
Arrive at the city ruins.
Stare into space from the Bunker.